| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 705,989 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,334,247 |
| South America Capitals Quiz | 0 | - | 4.99 | 359,531 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,841 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,860 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,575 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,071 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,256 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,665 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,638 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 98,953 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,513 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,444 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,193 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,415 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,605 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,642 |
| States of Mexico | 0 | - | 4.91 | 105,937 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,499 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,023 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,621 |
| Colombia Country Quiz | 0 | - | 4.87 | 28,632 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,757 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,707 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,567 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,253 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,765 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,457 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,327 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,928 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,952 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,337 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,140 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,397 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,277 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,148 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,845 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,675 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,374 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,257 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,905 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,601 |
| Biggest Cities in France | 0 | - | 4.51 | 161,054 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,485 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,553 |
| Biggest Cities in California | 0 | - | 4.30 | 119,694 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,287 |
| Capitals of Canadian Provinces | 0 | - | 4.88 | 65,370 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,814 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,813 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,933 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,227 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,617 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,834 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,149 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,815 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,471 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,223 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,562 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,488 |
| Central American Countries | 0 | - | 4.96 | 122,048 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,267 |
| Countries Bordering Brazil | 0 | - | 4.97 | 104,033 |
| Biggest Cities in China | 0 | - | 4.41 | 117,830 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,998 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,784 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,353 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,270 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,663 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,313 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.88 | 53,321 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,039 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,707 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,278 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,414 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,717 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,546 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,346 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,128 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,168 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,653 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,773 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.49 | 121,421 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,707 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,099 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,410 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,137 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,575 |
| Biggest Cities in India | 0 | - | 4.52 | 54,730 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,759 |
| Biggest City by Island | 0 | - | 4.49 | 42,139 |
| Biggest Cities in History | 0 | - | 4.49 | 70,313 |
| Brazil Country Quiz | 0 | - | 4.49 | 75,257 |
| Argentina Country Quiz | 0 | - | 4.52 | 45,582 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,198 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,155 |
| Central America and Caribbean Map Quiz | 0 | - | 4.85 | 786,930 |
| Mexico States Map Quiz | 0 | - | 4.82 | 77,566 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,137 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,105 |
| Caribbean Countries and Territories | 0 | - | 4.87 | 85,162 |
| States of Brazil | 0 | - | 4.96 | 49,084 |
| Brazil States Map Quiz | 0 | - | 4.84 | 30,279 |
| Brazil Cities Map Quiz | 0 | - | 4.72 | 29,345 |
| Venezuela Country Quiz | 0 | - | 4.38 | 23,416 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,430 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,790 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,888 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,701 |
| South America Map Quiz | 0 | - | 4.99 | 1,254,355 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,400 |
| South American Physical Geography | 0 | - | 4.51 | 15,050 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,885 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,848 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,031 |
| Chile Country Quiz | 0 | - | 4.77 | 29,848 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,527 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 103,167 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,063 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,334 |
| Cities of Ireland | 0 | - | 4.39 | 35,607 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,777 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,702 |
| Peru Country Quiz | 0 | - | 4.50 | 37,783 |
| Haiti Country Quiz | 0 | - | 4.84 | 24,818 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,921 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,276 |
| South American Geography Quiz #1 | 0 | - | 4.52 | 27,917 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 33,289 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,890 |
| Paraguay Country Quiz | 0 | - | 4.48 | 18,927 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 72,771 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,066 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,485 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,428 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,763 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,617 |
| Bolivia Country Quiz | 0 | - | 4.55 | 19,898 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,343 |
| South America Flags Map Quiz | 0 | - | 4.97 | 50,010 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 66,777 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,517 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,516 |
| South American Cities on the Map | 0 | - | 4.48 | 21,862 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,466 |
| Megacities on a World Map | 0 | - | 4.97 | 198,933 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,791 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,737 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,227 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,916 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,567 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,007 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,611 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,086 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,754 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,212 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,592 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,905 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,608 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,795 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 80,029 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,928 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,817 |
| Uruguay Country Quiz | 0 | - | 4.83 | 24,484 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,596 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,323 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 36,652 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,657 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 30,698 |
| Ecuador Country Quiz | 0 | - | 4.54 | 22,157 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,038 |
| 50 Busiest Air Routes from Los Angeles | 0 | - | 4.87 | 40,242 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,253 |
| Biggest Trading Partners - Colombia | 0 | - | 4.65 | 20,792 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,048 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,454 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,927 |
| Most Guessed U.S. Cities | 0 | - | 4.91 | 69,304 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,177 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,235 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,363 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,407 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,179 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,666 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,500 |
| Which City in Latin America? | 0 | - | 4.64 | 34,546 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,407 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 38,432 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,435 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,384 |
| Which City in Canada? | 0 | - | 4.84 | 39,677 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,819 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,066 |
| Random State Capital to U.S. State | 0 | - | 4.81 | 58,329 |
| Countries that Beat Brazil | 0 | - | 4.35 | 39,468 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,633 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,886 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,600 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.73 | 23,546 |
| Which South American Country? | 0 | - | 4.77 | 36,051 |
